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- Solution mining is a available method to extract gold from lean ore, relic, waste dumps and tailings. 溶浸采矿是从贫矿、残矿、废石堆、尾矿中提取金的一种行之有效的方法。
- The orebody has three layers, the central part is extra high grade ore, the middle part is rich ore, and the outer part is lean ore. 喀拉通克铜镍矿是新疆最大的铜镍矿,矿体分为三层,核心部分是特富矿,中间层是富矿,最外层是贫矿。
- By means of SEM、EDAX and OM, the petrographic structure and microscopic chemical composition of cement clinker have been researched by adding rare-earth lean ore. 采用SEM、EDAX、OM等分析测试方法,研究了稀土贫矿掺加条件下,水泥熟料的岩相结构及其微区化学组成。
- In the light of the problems in the nonpillar mining, the formation and principles of the wide spacing and the low lean ore drawing process are presented. 针对无底柱采矿存在的问题,阐述了大间距与低贫化工艺的形成及原理,采用该结构及工艺是降低产品成本的有效方法。
- In mining the extremely fractured thin ore body,the separation of waste rock in the conventional shrinkage stoping was replaced by the separation of the rich ore and retaining the lean ore. 对极破碎薄矿体的开采,采用了将常规的留矿法中分选废石改为分选富矿石留贫矿石的采矿方法。
- PILOT TEST ON JIGS FOR LEAN ORE PRECONCENTRATION 粗粒锯齿波跳汰机用于贫矿预选的半工业试验研究
- Keywords cassiterite;lean ore;jig;grading; 锡石;贫矿石;跳汰机;分级;
- Study on a new process for pre-concentration of coarse lean ore 贫矿粗粒预选新工艺的研究
- Hope is a slender reed for a stout man to lean on. 希望是壮汉依靠的一根纤细的芦苇。
- The ore is smelted in this large factory. 这个大型工厂里熔炼矿石。
- Base Stability of Jingchuan Lean Ore Area Mining by Natural Caving Method 金川贫矿区自然崩落法采场底部结构的稳定性
- The little girl only eats lean pork. 这个小女孩只吃瘦肉。
- I am afraid he is too lean to endure it. 我担心他太瘦,承受不住它。
- First, ore is mixed with coke and limestone. 先把铁矿石和焦碳、石灰石混合在一起。
- Don't always lean on others for help. 不要老是依靠别人的帮助。
- Sit up, children! Don't lean over the table! 坐直,孩子们,不要趴在桌子上!
- THE DEVELOPMENT AND USENESS ABOUT HEMATITE LEAN ORE OF GUANBAOSHAN IRON MINE 关宝山铁矿赤铁贫矿的开发利用
- We will make an assay of the ore that he brought. 我们将对他带来的矿石做实验鉴定。
- If you lean over the wall. you will see the river. 如果你伏在墙上望出去,就会看到那条河。
- Improving Process to Recover Lean Ore and to Utilize Resources Reasonably 改进工艺,回收贫矿,合理利用资源
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries